EP2291303B1 - Wiper blade - Google Patents
Wiper blade Download PDFInfo
- Publication number
- EP2291303B1 EP2291303B1 EP09765677A EP09765677A EP2291303B1 EP 2291303 B1 EP2291303 B1 EP 2291303B1 EP 09765677 A EP09765677 A EP 09765677A EP 09765677 A EP09765677 A EP 09765677A EP 2291303 B1 EP2291303 B1 EP 2291303B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wiper
- longitudinal
- wiper blade
- strip
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000003466 welding Methods 0.000 claims description 10
- 238000004026 adhesive bonding Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- IHQKEDIOMGYHEB-UHFFFAOYSA-M sodium dimethylarsinate Chemical class [Na+].C[As](C)([O-])=O IHQKEDIOMGYHEB-UHFFFAOYSA-M 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
- B60S1/38—Wiper blades
- B60S1/3848—Flat-type wiper blade, i.e. without harness
- B60S1/3874—Flat-type wiper blade, i.e. without harness with a reinforcing vertebra
- B60S1/3884—Wire-shaped section
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
- B60S1/38—Wiper blades
- B60S1/3848—Flat-type wiper blade, i.e. without harness
- B60S1/3874—Flat-type wiper blade, i.e. without harness with a reinforcing vertebra
- B60S1/3875—Flat-type wiper blade, i.e. without harness with a reinforcing vertebra rectangular section
- B60S1/3881—Flat-type wiper blade, i.e. without harness with a reinforcing vertebra rectangular section in additional element, e.g. spoiler
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
- B60S1/38—Wiper blades
- B60S1/3848—Flat-type wiper blade, i.e. without harness
- B60S1/3849—Connectors therefor; Connection to wiper arm; Attached to blade
- B60S1/3851—Mounting of connector to blade assembly
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
- B60S1/38—Wiper blades
- B60S1/3848—Flat-type wiper blade, i.e. without harness
- B60S1/3849—Connectors therefor; Connection to wiper arm; Attached to blade
- B60S1/3851—Mounting of connector to blade assembly
- B60S1/3858—Mounting of connector to blade assembly with protrusions cooperating with holes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
- B60S1/38—Wiper blades
- B60S1/3848—Flat-type wiper blade, i.e. without harness
- B60S1/3886—End caps
- B60S1/3887—Mounting of end caps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
- B60S1/38—Wiper blades
- B60S2001/3827—Wiper blades characterised by the squeegee or blade rubber or wiping element
- B60S2001/3829—Wiper blades characterised by the squeegee or blade rubber or wiping element characterised by the material of the squeegee or coating thereof
Definitions
- the invention is based on a wiper blade according to the preamble of claim 1.
- a wiper blade which has a band-like elongated, metallic, to the disk surface concave curved spring rail as the support element. This is housed in a longitudinal channel of a plastic carrier.
- the carrier is divided transversely in its central portion, so that the carrier parts can be pushed from the ends to the spring rail.
- the carrier parts can be connected to one another at the adjacent separating edges by gluing, welding or the like.
- a connecting element which is firmly connected to the carrier or the spring rail, serves for the articulated connection of the wiper blade with a wiper arm. During operation, the wiper blade slides over a vehicle window with a wiper strip.
- the wiper strip is held by retaining rails, which are integrally formed on the carrier and engage in two longitudinal grooves of the wiper strip.
- the spring rail is arranged on one side of the wiper strip, which faces away from a wiper lip of the wiper strip.
- a wiper blade in which two band-like, pre-bent spring rails are inserted laterally into longitudinal grooves of a head strip of a wiper strip of the wiper blade.
- a carrier On the side of the longitudinal grooves protruding parts of the spring rails, a carrier is guided, which holds the spring rails together and protects to the outside.
- the carrier has on the side facing away from a wiper lip of the wiper strip side a holding profile for a spoiler.
- a connection device is provided in order to connect the wiper blade to a wiper arm in an articulated manner.
- a generic wiper blade having a mounting plate extending across the length of the wiper blade and having two through holes formed on two opposite sides of the mounting plate.
- An interior area between the through holes has sliding guides for a wiper strip.
- Two steel wires serving as spring bars are inserted in the through holes.
- protective caps in the form of spoilers are slidably mounted on both sides of a connection element which is mounted on the mounting plate, at the ends of which side covers in the form of end caps are provided.
- a longitudinal channel is arranged with the support rails a common top wall and the associated support rail has a common, parallel to an outer side wall partition, wherein the outer boundary of the support rails transversely to the side wall within the corresponding boundary of Longitudinal channels is in each of which a support element is mounted.
- the support elements may be spring bars with round cross sections or spring rails with rectangular cross sections, the broad sides of which extend transversely to the side walls of the longitudinal channels.
- the carrier is composed of a plurality of carrier parts and intermediate pieces are provided between a central carrier part and two further each arranged on an end side support members, which also have longitudinal channels for the support elements and have hinge elements for articulated connection of the connection element.
- the articulated connection of the connecting element to the carrier avoids that the connecting element in the central region affects the flexibility of the wiper strip. Nevertheless, the contact forces on the hinge elements, which have a large distance from each other in the longitudinal direction, transferred to the carrier, resulting in a good force distribution in the longitudinal direction of the wiper blade.
- that at least one of the intermediate pieces is fixed on the support elements, for. B. by gluing or ultrasonic welding.
- the introduction of force is further improved by the fact that the connecting element sits firmly on a bridge part, which includes the intermediate pieces with lateral cheeks and is mounted with hubs on the joint elements.
- the lateral cheeks of the bridge part increase its stiffness, so that the elastic resilience of the wiper blade is mainly determined by the spring rails and results in an excellent lateral guidance of the carrier relative to the connection element.
- the carrier parts and spacers are loosely threaded onto the support elements.
- the end caps are mounted and secured to the support members by welding or gluing.
- the wiper strip is produced in a two-part extrusion process, wherein the part of the head strip encompassed by the retaining rails and the web between the longitudinal grooves consist of a stiffer material than the remaining wiper strip.
- the wiper strip can be easily and easily threaded between the support rails of the wearer.
- a wiper blade 10 after Fig. 1 comprises a carrier with three support parts 12, 14, 16, two end caps 18, a wiper strip 38 and a connection element 50 for articulated connection to a wiper arm, not shown. Between the central support member 14 and the outwardly adjoining support members 12 and 16 intermediate pieces 20 are provided.
- the carrier parts 12, 14, 16 and the intermediate pieces 20 and the end caps 18 are designed substantially the same in cross section. They have a top wall 26, to which connect sidewalls 30 on both longitudinal sides. Angled inward at the free edges of the side walls 30 retaining rails 32 are formed, which form a longitudinal gap 32 between them. On the longitudinal sides 28 longitudinal channels 34 are provided between the top wall 26, the side walls 30 and the support rails.
- the carrier parts 12, 14, 16 and the intermediate pieces 20 are individually threaded from the ends onto support elements, which can be designed as spring bars 36 with round cross-sections or as spring rails 64 with rectangular cross-sections.
- end caps 18 are mounted on the support members 36, 64 and firmly connected to them by gluing or welding, in particular ultrasonic welding.
- At least one of the intermediate pieces 20 with the support members 36, 64 are firmly connected.
- the support members 12, 14, 16 and the intermediate pieces 20 are frontally connected by welding, in particular ultrasonic welding, or gluing together and the end portions 12, 16 with the end caps 18. This can be done when the parts 12, 14, 16, 18, 20 are mounted on the support members 36, 64 or one of the end caps 18 before being mounted on the support members 36, 64.
- the end caps 18 are closed at their outer end side, so that the spring bars 36 are secured in the longitudinal direction. In addition, it may be useful to securely connect at least one of the end caps 18 and / or one of the intermediate pieces 20 to the support members 36, 64.
- the cross section of the wiper strip 38 is constructed in the usual, proven way.
- a wedge-shaped wiper lip 40 is connected via a tilting web 42 to the head strip 46. This has the wiper lip 40 back support strips 44, in each case one of the opposite surfaces of the wiper lip 40 is supported during the wiping movement.
- the wiper strip 38 is made in a two-material extrusion process of two different materials, namely the web 48 between the longitudinal grooves 47 and the part of the head strip 46 comprised of the support rails 28 of a harder, stiffer material than the Remaining part of the wiper strip 38.
- the connecting element 50 is pivotally connected to the carrier 12, 14, 16, 18, 20.
- the intermediate pieces 20 on the connection element 50 facing side hinge elements 22 which protrude laterally beyond the side walls 30 of the intermediate pieces 20.
- On these a bridge part 52 is articulated by means of hubs 56.
- the hubs 56 are located in lateral cheeks 54, with which the bridge part 52, the intermediate pieces 20 laterally.
- the bridge part 52 forms a free space for the support part 14, so that the wiper strip 38 can freely adapt to a curvature of a vehicle window.
- the pressing force of the wiper arm is advantageously transmitted via the hinge elements 22 to the wiper strip 38.
- the connecting element 50 is attached to this. It can have any known design. In the present case, it has a bottom 60 which is suitably connected to the bridge part 52 by riveting, welding, gluing, clipping or the like. From the bottom 60 of two longitudinally extending side portions 58 are opposite to the wiper lip 40 angled. The side parts 58 carry between them as a bearing element a hinge pin 62, via which the wiper blade 10 can be articulated to the wiper arm, not shown.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ink Jet (AREA)
- Cleaning In General (AREA)
- Standing Axle, Rod, Or Tube Structures Coupled By Welding, Adhesion, Or Deposition (AREA)
- Connection Of Plates (AREA)
- Window Of Vehicle (AREA)
- Brushes (AREA)
- Seal Device For Vehicle (AREA)
Description
Die Erfindung geht von einem Wischblatt nach dem Oberbegriff des Anspruchs 1 aus.The invention is based on a wiper blade according to the preamble of claim 1.
Aus der
Ferner ist aus der
Aus der
An den äußeren Längsseiten der Halteschienen ist jeweils ein Längskanal angeordnet, der mit den Halteschienen eine gemeinsame Deckwand und mit der zugeordneten Halteschiene eine gemeinsame, zu einer äußeren Seitenwand parallel verlaufende Trennwand besitzt, wobei die äußere Begrenzung der Halteschienen quer zur Seitenwand innerhalb der entsprechenden Begrenzung der Längskanäle liegt, in denen jeweils ein Tragelement gelagert ist. Somit ergibt sich ein sehr leichtes, flaches Wischblatt, insbesondere dadurch, dass die von der Wischlippe abgewandte Fläche der Kopfleiste der Wischleiste etwa mit den Tragelementen abschließt. Dabei schützt der äußerst flache Träger die Tragelemente und die Kopfleiste optimal, ohne die elastische Biegsamkeit senkrecht zur Wischebene nennenswert zu beeinträchtigen. Die Tragelemente können Federstäbe mit runden Querschnitten oder Federschienen mit rechteckigen Querschnitten sein, deren Breitseiten quer zu den Seitenwänden der Längskanäle verlaufen. Nach der Erfindung wird vorgeschlagen, dass der Träger aus mehreren Trägerteilen zusammengesetzt ist und zwischen einem mittleren Trägerteil und zwei weiteren jeweils auf einer Stirnseite dazu angeordneten Trägerteilen Zwischenstücke vorgesehen sind, die ebenfalls Längskanäle für die Tragelemente haben und Gelenkelemente zum gelenkigen Verbinden des Anschlusselements besitzen. Durch die gelenkige Anbindung des Anschlusselements an den Träger wird vermieden, dass das Anschlusselement im mittleren Bereich die Nachgiebigkeit der Wischleiste beeinträchtigt. Trotzdem werden die Anpresskräfte über die Gelenkelemente, die in Längsrichtung einen großen Abstand zueinander haben, auf den Träger übertragen, wodurch sich eine gute Kraftverteilung in Längsrichtung des Wischblatts ergibt. Zur eindeutigen Lagefixierung des Brückenteils relativ zu den Tragelementen ist zweckmäßig, dass mindestens eines der Zwischenstücke auf den Tragelementen fixiert ist, z. B. durch Kleben oder Ultraschallschweißen.At the outer longitudinal sides of the support rails in each case a longitudinal channel is arranged with the support rails a common top wall and the associated support rail has a common, parallel to an outer side wall partition, wherein the outer boundary of the support rails transversely to the side wall within the corresponding boundary of Longitudinal channels is in each of which a support element is mounted. This results in a very light, flat wiper blade, in particular by the fact that the surface facing away from the wiper lip surface of the head strip of the wiper strip terminates approximately with the support elements. In this case, the extremely flat support optimally protects the support elements and the head strip, without appreciably impairing the elastic flexibility perpendicular to the wiping plane. The support elements may be spring bars with round cross sections or spring rails with rectangular cross sections, the broad sides of which extend transversely to the side walls of the longitudinal channels. According to the invention, it is proposed that the carrier is composed of a plurality of carrier parts and intermediate pieces are provided between a central carrier part and two further each arranged on an end side support members, which also have longitudinal channels for the support elements and have hinge elements for articulated connection of the connection element. The articulated connection of the connecting element to the carrier avoids that the connecting element in the central region affects the flexibility of the wiper strip. Nevertheless, the contact forces on the hinge elements, which have a large distance from each other in the longitudinal direction, transferred to the carrier, resulting in a good force distribution in the longitudinal direction of the wiper blade. For a clear position fixation of the bridge part relative to the support elements is appropriate, that at least one of the intermediate pieces is fixed on the support elements, for. B. by gluing or ultrasonic welding.
Die Krafteinleitung wird noch dadurch verbessert, dass das Anschlusselement fest auf einem Brückenteil sitzt, das mit seitlichen Wangen die Zwischenstücke umfasst und mit Naben auf den Gelenkelementen gelagert ist. Die seitlichen Wangen des Brückenteils erhöhen seine Formsteifigkeit, sodass die elastische Nachgiebigkeit des Wischblatts vor allem durch die Federschienen bestimmt wird und sich eine hervorragende seitliche Führung des Trägers relativ zum Anschlusselement ergibt.The introduction of force is further improved by the fact that the connecting element sits firmly on a bridge part, which includes the intermediate pieces with lateral cheeks and is mounted with hubs on the joint elements. The lateral cheeks of the bridge part increase its stiffness, so that the elastic resilience of the wiper blade is mainly determined by the spring rails and results in an excellent lateral guidance of the carrier relative to the connection element.
Die Trägerteile und Zwischenstücke werden lose auf die Tragelemente aufgefädelt. Abschließend werden die Endkappen montiert und an den Tragelementen durch Schweißen oder Kleben befestigt. Um das Anschlusselement eindeutig in Längsrichtung zu den Tragelementen zu positionieren, ist es zweckmäßig, mindestens ein Zwischenstück ebenfalls an den Tragelementen zu fixieren. Es besteht auch die Möglichkeit, stattdessen die Trägerteile, die Zwischenstücke und die Endkappen untereinander zu verbinden, sodass vom Träger nur die Endkappen mit den Tragelementen fest verbunden sind, während die Tragelemente in Längsrichtung im Übrigen in den Längskanälen frei liegen.The carrier parts and spacers are loosely threaded onto the support elements. Finally, the end caps are mounted and secured to the support members by welding or gluing. In order to position the connection element clearly in the longitudinal direction of the support elements, it is expedient to fix at least one intermediate piece also to the support elements. It is also possible, instead, to connect the carrier parts, the intermediate pieces and the end caps with each other, so that only the end caps are firmly connected to the support members of the carrier, while the support elements are exposed in the longitudinal direction in the longitudinal channels otherwise.
Zweckmäßigerweise wird die Wischleiste in einem zweistoffigen Extrusionsverfahren hergestellt, wobei der von den Halteschienen umfasste Teil der Kopfleiste und der Steg zwischen den Längsnuten aus einem steiferen Material bestehen als die übrige Wischleiste. Somit kann die Wischleiste leicht und einfach zwischen die Halteschienen des Trägers eingefädelt werden. Außerdem ergeben sich geringe Reibungskräfte bei der elastischen Biegung der Wischleiste während des Betriebs.Conveniently, the wiper strip is produced in a two-part extrusion process, wherein the part of the head strip encompassed by the retaining rails and the web between the longitudinal grooves consist of a stiffer material than the remaining wiper strip. Thus, the wiper strip can be easily and easily threaded between the support rails of the wearer. In addition, there are low frictional forces in the elastic bending of the wiper strip during operation.
Weitere Vorteile ergeben sich aus der folgenden Zeichnungsbeschreibung. In der Zeichnung sind Ausführungsbeispiele der Erfindung dargestellt. Die Zeichnung, die Beschreibung und die Ansprüche enthalten zahlreiche Merkmale in Kombination. Der Fachmann wird die Merkmale zweckmäßigerweise auch einzeln betrachten und zu sinnvollen weiteren Kombinationen zusammenfassen.Further advantages emerge from the following description of the drawing. In the drawings, embodiments of the invention are shown. The drawing, the description and the claims contain numerous features in combination. The person skilled in the art will expediently also consider the features individually and combine them into meaningful further combinations.
Es zeigen:
- Fig. 1
- eine perspektivische Ansicht eines erfindungsgemäßen Wischblatts,
- Fig. 2
- eine perspektivische Ansicht zweier Federstäbe mit einem mittleren Trägerteil,
- Fig. 3
- eine perspektivische Ansicht zweier Federstäbe mit dem mittleren Trägerteil und zwei Zwischenstücken,
- Fig. 4
- eine perspektivische Ansicht zweier Federstäbe mit drei Trägerteilen und zwei Zwischenstücken,
- Fig. 5
- ein Ende eines Wischblatts nach
Fig. 1 im vergrößerten Maßstab ohne Endkappe und - Fig. 6
- ein Zwischenstück nach
Fig. 3 im vergrößerten Maßstab, - Fig. 7
- eine Variante zu
Fig. 5 .
- Fig. 1
- a perspective view of a wiper blade according to the invention,
- Fig. 2
- a perspective view of two spring bars with a central support part,
- Fig. 3
- a perspective view of two spring bars with the central support member and two spacers,
- Fig. 4
- a perspective view of two spring bars with three support parts and two spacers,
- Fig. 5
- an end of a wiper blade after
Fig. 1 on an enlarged scale without end cap and - Fig. 6
- an intermediate piece after
Fig. 3 on an enlarged scale, - Fig. 7
- a variant too
Fig. 5 ,
Ein Wischblatt 10 nach
Die Trägerteile 12, 14, 16 und die Zwischenstücke 20 sowie die Endkappen 18 sind im Querschnitt im Wesentlichen gleich gestaltet. Sie besitzen eine Deckwand 26, an die sich an beiden Längsseiten Seitenwände 30 anschließen. Nach innen abgewinkelt sind an den freien Kanten der Seitenwände 30 Halteschienen 32 angeformt, die zwischen sich einen Längsspalt 32 bilden. An den Längsseiten sind zwischen der Deckwand 26, den Seitenwänden 30 und den Halteschienen 28 Längskanäle 34 vorgesehen. Die Trägerteile 12, 14, 16 und die Zwischenstücke 20 werden einzeln von den Enden auf Tragelemente aufgefädelt, die als Federstäbe 36 mit runden Querschnitten oder als Federschienen 64 mit rechteckigen Querschnitten ausgebildet sein können. Zum Schluss werden Endkappen 18 auf die Tragelemente 36, 64 montiert und mit diesen durch Kleben oder Schweißen, insbesondere Ultraschallschweißen, fest verbunden. Zusätzlich kann mindestens eins der Zwischenstücke 20 mit den Tragelementen 36, 64 fest verbunden werden. Eine weitere Möglichkeit besteht darin, dass die Trägerteile 12, 14, 16 und die Zwischenstücke 20 stirnseitig durch Schweißen, insbesondere Ultraschallschweißen, oder Kleben miteinander und die Endteile 12, 16 mit den Endkappen 18 verbunden werden. Dies kann geschehen, wenn die Teile 12, 14, 16, 18, 20 auf den Tragelementen 36, 64 montiert sind oder bis auf eine der Endkappen 18, bevor sie auf die Tragelemente 36, 64 montiert werden.The
Die Endkappen 18 sind an ihrer äußeren Stirnseite geschlossen, sodass die Federstäbe 36 in Längsrichtung gesichert sind. Zusätzlich kann es nützlich sein, mindestens eine der Endkappen 18 und/oder eines der Zwischenstücke 20 mit den Tragelementen 36, 64 fest zu verbinden.The end caps 18 are closed at their outer end side, so that the spring bars 36 are secured in the longitudinal direction. In addition, it may be useful to securely connect at least one of the end caps 18 and / or one of the
Der Querschnitt der Wischleiste 38 ist in üblicher, bewährter Weise aufgebaut. Eine keilförmige Wischlippe 40 ist über einen Kippsteg 42 mit der Kopfleiste 46 verbunden. Diese besitzt zur Wischlippe 40 hin Stützleisten 44, an denen sich bei der Wischbewegung jeweils eine der gegenüberliegenden Flächen der Wischlippe 40 abstützt.The cross section of the
Um die Montage der Wischleiste 38 zu erleichtern, ist die Wischleiste 38 in einem Zweistoffextrusionsverfahren aus zwei unterschiedlichen Materialien hergestellt, und zwar der Steg 48 zwischen den Längsnuten 47 und der von den Halteschienen 28 umfasste Teil der Kopfleiste 46 aus einem härteren, steiferen Werkstoff als der übrige Teil der Wischleiste 38.In order to facilitate the mounting of the
Das Anschlusselement 50 wird gelenkig mit dem Träger 12, 14, 16, 18, 20 verbunden. Hierzu besitzen die Zwischenstücke 20 auf der dem Anschlusselement 50 zugewandten Seite Gelenkelemente 22, die seitlich über die Seitenwände 30 der Zwischenstücke 20 vorstehen. Auf diesen ist ein Brückenteil 52 mittels Naben 56 gelenkig gelagert. Die Naben 56 befinden sich in seitlichen Wangen 54, mit denen das Brückenteil 52 die Zwischenstücke 20 seitlich umfasst. Zwischen den Gelenkelementen 22 bildet das Brückenteil 52 einen Freiraum für das Trägerteil 14, sodass sich die Wischleiste 38 einer Krümmung einer Fahrzeugscheibe frei anpassen kann. Dabei wird die Anpresskraft des Wischarms günstig über die Gelenkelemente 22 auf die Wischleiste 38 übertragen.The connecting
Auf der der Wischleiste 38 abgewandten Seite des Brückenteils 52 ist an diesem das Anschlusselement 50 befestigt. Es kann eine beliebige bekannte Bauform haben. Im vorliegenden Fall besitzt es einen Boden 60, der in geeigneter Weise durch Nieten, Schweißen, Kleben, Klipsen oder dgl. mit dem Brückenteil 52 verbunden ist. Von dem Boden 60 aus sind zwei in Längsrichtung sich erstreckende Seitenteile 58 entgegengesetzt zur Wischlippe 40 abgewinkelt. Die Seitenteile 58 tragen zwischen sich als Lagerelement einen Gelenkbolzen 62, über den das Wischblatt 10 mit dem nicht dargestellten Wischarm gelenkig verbunden werden kann.On the
Claims (6)
- Wiper blade (10) with a support which has at least one longitudinal channel (34) with at least one pre-bent elastic supporting element (36, 64) and two parallel holding rails (28), which are separated by a longitudinal gap (32), for a wiper strip (38), wherein a connection element (50) for the articulated connection to a wiper arm is arranged in the central region of the wiper blade (10), wherein a longitudinal channel (34) is arranged on each of the outer longitudinal sides of the holding rails (28), said longitudinal channel having a common top wall (26) with the holding rails (28) and, with the associated holding rail (28), a common partition (33) running parallel to an outer side wall (30), and wherein the outer boundary of the holding rails (28) lies transversely with respect to the side wall (30) within the corresponding boundary of the longitudinal channels (34), in each of which a supporting element (36, 64) is mounted, characterized in that the support is composed of a plurality of support parts (12, 14, 16, 18, 20), and intermediate pieces (20) are provided between a central support part (14) and in each case two further support parts (12, 16) arranged on each side with respect thereto, said intermediate pieces likewise having longitudinal channels (34) for the supporting elements (36, 64) and having articulation elements (22) for the articulated connection of the connection element (50).
- Wiper blade (10) according to Claim 1, characterized in that the supporting elements are spring rails (64) with rectangular cross sections, the wide sides (66) of which run transversely with respect to the side walls (30) of the longitudinal channels (34).
- Wiper blade (10) according to Claim 1, characterized in that one of the intermediate pieces (20) is fixedly connected to the supporting elements (36, 64).
- Wiper blade (10) according to one of Claims 1 to 3, characterized in that the support parts (12, 14, 16, 18, 20) are connected to one another by welding, in particular ultrasonic welding, adhesive bonding or the like.
- Wiper blade (10) according to one of Claims 1 to 4, characterized in that the connection element (50) sits fixedly on a bridge part (52) which surrounds the intermediate pieces (20) by means of lateral cheeks (54) and is mounted by means of hubs (56) on the articulation elements (22).
- Wiper blade (10) according to Claim 1, characterized in that the wiper strip (38) has a head strip (46) having two longitudinal grooves (47) which are separated by a web (48) and in which the holding rails (28) engage, wherein the supporting elements (36) run in the longitudinal channels (34) to the side of the head strip (46), and a wiper lip (40) is connected to the head strip (46) via a tilting web (42), and the wiper strip (38) is produced in a two-material extrusion process, the part surrounded by the holding rails (28) and the web (48) between the longitudinal grooves (47) being composed of a stiffer material than the rest of the wiper strip (38).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008002447A DE102008002447A1 (en) | 2008-06-16 | 2008-06-16 | wiper blade |
PCT/EP2009/055257 WO2009153097A1 (en) | 2008-06-16 | 2009-04-30 | Wiper blade |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2291303A1 EP2291303A1 (en) | 2011-03-09 |
EP2291303B1 true EP2291303B1 (en) | 2012-10-24 |
Family
ID=40942421
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09765677A Active EP2291303B1 (en) | 2008-06-16 | 2009-04-30 | Wiper blade |
Country Status (9)
Country | Link |
---|---|
US (1) | US8839483B2 (en) |
EP (1) | EP2291303B1 (en) |
JP (1) | JP5265002B2 (en) |
KR (1) | KR101598549B1 (en) |
CN (1) | CN102066165B (en) |
BR (1) | BRPI0913608B1 (en) |
DE (1) | DE102008002447A1 (en) |
RU (1) | RU2517927C2 (en) |
WO (1) | WO2009153097A1 (en) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130227809A1 (en) | 2012-02-24 | 2013-09-05 | Pylon Manufacturing Corp. | Wiper blade |
EP2660109B1 (en) * | 2010-12-27 | 2017-09-20 | Mitsuba Corporation | Wiper blade and assembly method for same |
US9751499B2 (en) | 2010-12-27 | 2017-09-05 | Mitsuba Corporation | Wiper blade |
US9457768B2 (en) | 2011-04-21 | 2016-10-04 | Pylon Manufacturing Corp. | Vortex damping wiper blade |
US9174609B2 (en) | 2011-04-21 | 2015-11-03 | Pylon Manufacturing Corp. | Wiper blade with cover |
WO2013016493A1 (en) | 2011-07-28 | 2013-01-31 | Pylon Manufacturing Corp. | Windshield wiper adapter, connector and assembly |
US8806700B2 (en) | 2011-07-29 | 2014-08-19 | Pylon Manufacturing Corporation | Wiper blade connector |
US9108595B2 (en) | 2011-07-29 | 2015-08-18 | Pylon Manufacturing Corporation | Windshield wiper connector |
US20130219649A1 (en) | 2012-02-24 | 2013-08-29 | Pylon Manufacturing Corp. | Wiper blade |
DE102012209304A1 (en) * | 2012-06-01 | 2013-12-05 | Robert Bosch Gmbh | Wiper blade device |
US10829092B2 (en) | 2012-09-24 | 2020-11-10 | Pylon Manufacturing Corp. | Wiper blade with modular mounting base |
US10166951B2 (en) | 2013-03-15 | 2019-01-01 | Pylon Manufacturing Corp. | Windshield wiper connector |
US9505380B2 (en) | 2014-03-07 | 2016-11-29 | Pylon Manufacturing Corp. | Windshield wiper connector and assembly |
USD777079S1 (en) | 2014-10-03 | 2017-01-24 | Pylon Manufacturing Corp. | Wiper blade frame |
WO2017075066A1 (en) | 2015-10-26 | 2017-05-04 | Pylon Manufacturing Corp. | Wiper blade |
AU2017267978A1 (en) | 2016-05-19 | 2018-11-22 | Pylon Manufacturing Corp. | Windshield wiper connector |
US10717414B2 (en) | 2016-05-19 | 2020-07-21 | Pylon Manufacturing Corporation | Windshield wiper blade |
US10766462B2 (en) | 2016-05-19 | 2020-09-08 | Pylon Manufacturing Corporation | Windshield wiper connector |
CN109715449A (en) | 2016-05-19 | 2019-05-03 | 电缆塔制造有限公司 | Windscreen wiper connector |
US11040705B2 (en) | 2016-05-19 | 2021-06-22 | Pylon Manufacturing Corp. | Windshield wiper connector |
WO2018081791A1 (en) | 2016-10-31 | 2018-05-03 | Pylon Manufacturing Corp. | Wiper blade with cover |
USD941737S1 (en) * | 2019-09-19 | 2022-01-25 | Robert Bosch Gmbh | Wiper blade |
DE102021212633A1 (en) | 2021-11-10 | 2023-05-11 | Robert Bosch Gesellschaft mit beschränkter Haftung | Wiper blade and method of making the same |
DE102021213233A1 (en) | 2021-11-24 | 2023-05-25 | Robert Bosch Gesellschaft mit beschränkter Haftung | Wiper blade and method of making same |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3116506A (en) * | 1961-01-16 | 1964-01-07 | Gen Motors Corp | Unitary squeegee and wiper blade assembly embodying the same |
FR2705299B1 (en) * | 1993-05-17 | 1995-07-07 | Valeo Systemes Dessuyage | Two-piece coextruded wiper blade and wiper blade fitted with such a blade. |
DE19801058A1 (en) | 1998-01-14 | 1999-07-15 | Bosch Gmbh Robert | Motor vehicle windscreen wiper blade with curved spring rail |
DE19856300A1 (en) * | 1998-12-07 | 2000-06-08 | Bosch Gmbh Robert | Wiper blade for windows of motor vehicles |
DE10022724A1 (en) * | 2000-05-10 | 2001-11-22 | Bosch Gmbh Robert | Wiper strip for windscreen wiper; has shaped back section and functional part having support section connected to back section by first tilting link and wiper wedge connected by second tilting link |
WO2004054859A1 (en) * | 2002-12-17 | 2004-07-01 | Mitsuba Corporation | Wiper blade |
EP1602540B1 (en) * | 2003-03-07 | 2011-07-13 | Mitsuba Corporation | Wiper blade and method of producing the same |
DE102004019158B4 (en) | 2004-04-21 | 2015-06-03 | Robert Bosch Gmbh | wiper blade |
JP2007269170A (en) * | 2006-03-31 | 2007-10-18 | Mitsuba Corp | Wiper blade |
KR100753248B1 (en) | 2006-08-10 | 2007-08-30 | 에이디엠이십일 주식회사 | wiper blade |
DE202006015206U1 (en) * | 2006-10-05 | 2006-12-07 | Liao, Hsueh-Chih, Luzhou City | Windscreen wiper, comprises two integrated slightly curved steel wires keeping unit close to windscreen |
-
2008
- 2008-06-16 DE DE102008002447A patent/DE102008002447A1/en not_active Ceased
-
2009
- 2009-04-30 JP JP2011513965A patent/JP5265002B2/en not_active Expired - Fee Related
- 2009-04-30 US US12/999,429 patent/US8839483B2/en not_active Expired - Fee Related
- 2009-04-30 BR BRPI0913608-8A patent/BRPI0913608B1/en not_active IP Right Cessation
- 2009-04-30 KR KR1020107028222A patent/KR101598549B1/en active IP Right Grant
- 2009-04-30 RU RU2011101498/11A patent/RU2517927C2/en active IP Right Revival
- 2009-04-30 EP EP09765677A patent/EP2291303B1/en active Active
- 2009-04-30 WO PCT/EP2009/055257 patent/WO2009153097A1/en active Application Filing
- 2009-04-30 CN CN2009801223771A patent/CN102066165B/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN102066165A (en) | 2011-05-18 |
JP5265002B2 (en) | 2013-08-14 |
CN102066165B (en) | 2013-10-16 |
RU2011101498A (en) | 2012-08-10 |
DE102008002447A1 (en) | 2009-12-17 |
JP2011524302A (en) | 2011-09-01 |
KR20110020254A (en) | 2011-03-02 |
KR101598549B1 (en) | 2016-02-29 |
RU2517927C2 (en) | 2014-06-10 |
WO2009153097A1 (en) | 2009-12-23 |
BRPI0913608B1 (en) | 2020-08-11 |
BRPI0913608A2 (en) | 2015-11-24 |
US20110247165A1 (en) | 2011-10-13 |
US8839483B2 (en) | 2014-09-23 |
EP2291303A1 (en) | 2011-03-09 |
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